2018 Vauxhall Insignia 1.5 i Turbo SRI
Price: £4,875. Fair price: £247 (4%) under the AskCar estimate of £5,122, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,032 priced Vauxhall Insignia adverts on AskCar as of 6 November 2026.
AskCar lists 1,124 used Vauxhall Insignia from 760 UK dealerships, as of 6 November 2026.
Overview
- Make: Vauxhall
- Model: Insignia
- Trim: SRI
- Version: 1.5 i Turbo SRI Manual FWD Euro 6 (s/s) 5dr Grand Sport (163 bhp)
- Year: 2018
- Mileage: 100,873 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 163 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 136 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 100,873 miles, this 2018 Vauxhall Insignia Sri has covered about 28,300 more miles than other 2018 Vauxhall Insignia cars. The AskCar estimate for this car is £5,122. It is priced at £4,875, which is £247 below that estimate. The AskCar estimate draws on 1,032 Vauxhall Insignia adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 49 days ago. Its asking price has since fallen by £375. It is for sale at Wootton Motor Company in Kings Lynn. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £247 (4%) under the AskCar estimate of £5,122.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 1,032 priced Vauxhall Insignia adverts across different ages and specifications, as of 6 November 2026.
A 2018 Vauxhall Insignia with the 1.5 petrol engine is typically advertised at £8,100: the median of the 48 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2018 Vauxhall Insignia has been on sale for at least 49 days.
Price history
AskCar first saw this advert on 18 September 2026 at £5,250. Its asking price is now £4,875, £375 less. The latest price cut was seen on 1 November 2026.
Price changes recorded:
- 18 September 2026: £5,250
- 9 October 2026: £5,000
- 1 November 2026: £4,875
Mileage and MOT
Advertised mileage is about 28,300 miles higher than the median mileage of a 2018 Vauxhall Insignia on AskCar.
Similar cars
3 other 2018 Vauxhall Insignia SRI 1.5 petrol manual hatchbacks are for sale at UK dealers, from £6,994 to £9,656, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2018 Vauxhall Insignia SRI, 1.5 petrol hatchback, white. Mileage: 64,710 miles. Price: £6,994, £2,119 more than this car. Dealer: Saveonusedcars.Co.Uk in Scunthorpe. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-09da4788da9a
- 2018 Vauxhall Insignia SRI, 1.5 petrol hatchback, blue. Mileage: 51,034 miles. Price: £7,695, £2,820 more than this car. Dealer: Sandhaven Car Sales in Shotton Colliery. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-1e9e1b26f4c6
- 2018 Vauxhall Insignia SRI, 1.5 petrol hatchback, red. Mileage: 21,091 miles. Price: £9,656, £4,781 more than this car. Dealer: Drive Motor Retail drivedirect Hartlepool in Hartlepool. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-4327725e7a9d
Browse all Vauxhall Insignia cars for sale · 2018 Vauxhall Insignia price guide
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Photos
32 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.